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1)  weak fractured zone
软弱岩带
1.
Analysis on influence of weak fractured zones on deformation and stability of a right dam-abutment by FLAC~(3D);
某水电站右岸软弱岩带对坝肩稳定影响的FLAC~(3D)分析
2)  weak tectonic rock zone
构造软弱岩带
1.
Engineering geological characteristics of right-bank weak tectonic rock zone of Nuozhadu Hydropower Station and its effect;
糯扎渡水电站右岸构造软弱岩带工程地质特性及影响
3)  weak rock
软弱岩体
1.
Influence of weak rock on stress-deformation of auxiliary dam 1~# of Xilongchi upper reservoir;
软弱岩体对西龙池上库1~#副坝应力变形的影响分析
2.
To reinforce slope of weak rock has been tough problem during rock soil engineering, especially for sl-ope consisting of broken weak rock.
软弱岩石的边坡支护一直是岩土工程中较为棘手的问题,尤其是受地质构造破坏形成的破裂破碎软弱岩体的边坡支护问题更为复杂。
4)  Weak strata
软弱岩层
1.
Large section tunnel construction technology in fractured weak strata;
破碎软弱岩层中大断面隧道施工技术
2.
Large-section room construction technique in weak strata in Jinchuan mine area
金川矿区软弱岩层大断面硐室施工技术
5)  soft rocks
软弱岩石
6)  weak surrounding rock
软弱围岩
1.
Analysis on the treatment of the lining cracks of the shallow covered slope multi-arch tunnel in weak surrounding rock;
软弱围岩浅埋偏压连拱隧道衬砌开裂处治分析
2.
Construction technology of triple-line large-span weak surrounding rock of expressway;
高速公路三线大跨软弱围岩施工技术
3.
Application of smooth blasting in weak surrounding rock excavation for the Aketage Mountain water conveyance tunnel;
光面爆破在阿克塔格山输水隧洞软弱围岩中的应用
补充资料:绿岩带
绿岩带
greenstone belt

   蚀变或变质的基性火成岩带。通常指前寒武纪地盾中呈条带状分布的变质基性岩地区,如太古绿岩带等。一个绿岩带中可含有一层或几层基性火山-沉积变质产物。主要岩石类型有细碧岩、玄武岩、辉长岩和辉绿岩等。因变质作用生成的绿泥石、绿帘石、阳起石等矿物促使岩石普遍具有暗绿色。一套完整的绿岩地层,由早期的火山岩和晚期的以浊流沉积为主的碎屑沉积岩或火山碎屑沉积岩组成;火山岩下部以超基性-基性岩为主,并含有一层科马提岩(指一种超基性喷出岩),上部为钙碱性火山岩。
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